Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.5 on date 22-08-2014 and time 18:29:40 (Italy) in region Costa Siciliana nord orientale (Messina)

A magnitude ML 2.5 earthquake occured in region: Costa Siciliana nord orientale (Messina), on

  • 22-08-2014 16:29:40 (UTC)
  • 22-08-2014 18:29:40 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 38.3800, 15.4700 at 120 km depth.

The earthquake was located by: Bollettino Sismico Italiano INGV.

Search earthquakes: Any within 30 km radius

The values of hypocentral coordinates and magnitude may be revised at a later time as more information becomes available.

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Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Villafranca Tirrena ME 16 8584 8584
Spadafora ME 19 5021 13605
Venetico ME 20 3911 17516

Municipalities with at least 50000 inhabitants

An earthquake occurred to
22 Km NW of Messina (238439 inhabitants)
34 Km NW of Reggio di Calabria (183035 inhabitants)
89 Km N of Acireale (52622 inhabitants)
99 Km SW of Lamezia Terme (70714 inhabitants)
Recent and historical seismicity
Seismic hazard
Shakemap
Felt maps
Locations history
Type Magnitude Date and Time (UTC) Latitude Longitude Depth (km) Published time (UTC) Author Location ID
Bulletin
Rev1000 		ML 2.5 2014-08-22
16:29:40		 38.3803 15.4697 120 2015-09-21
09:39:02		 Bollettino Sismico Italiano INGV 18110271
Reviewed
Rev100 		ML 2.5 2014-08-22
16:29:40		 38.4667 15.5092 122 2014-10-21
12:08:56		 Sala Sismica INGV-Roma 7932731
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2014-08-22 16:29:40 ± 0.24
Latitude 38.3803 ± 0.0126
Longitude 15.4697 ± 0.0149
Depth (km) 120 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 18110271

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1242
Semi-minor axis of confidence ellipse (meter) 1183
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 289
Circular confidence region, given by single value of horizontal uncertainty (meter) 1240.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 108
Number of associated phases, regardless of their use for origin computation 28
Number of defining phases 28
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.32
Epicentral distance of station closest to the epicenter (degree) 0.12051
Epicentral distance of station farthest from the epicenter (degree) 1.20779
Number of stations at which the event was observed 14
Number of stations from which data was used for origin computation 14
Magnitudes information

ML:2.5

Field Value
Value 2.5
Uncertainty 0.2
Num. used stations 8
Type of magnitude ML
Reference to an origin 7932731
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2014-08-22 16:35:47

ML:2.5

Field Value
Value 2.5
Uncertainty 0.2
Num. used stations 1
Type of magnitude ML
Reference to an origin 18110271
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2015-03-31 09:35:09
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CET2.HHE. 2014-08-22T16:30:23.67 0.1 undecidable manual S 18 134.0658 128 0.52 72
IV.CAR1.HHE. 2014-08-22T16:30:19.88 0.1 undecidable manual S 33 116.1948 132 -0.3 80
IV.PLAC.HHE. 2014-08-22T16:30:15.76 0.1 undecidable manual S 84 84.5487 142 0.25 86
IV.MPAZ.HHZ. 2014-08-22T16:30:13.10 0.1 undecidable manual S 135 66.5778 148 -0.19 89
IV.SOI.EHZ. 2014-08-22T16:30:12.80 0.1 undecidable manual S 124 61.2942 151 0.09 93
IV.MCSR.HHZ. 2014-08-22T16:30:11.21 0.1 undecidable manual S 211 40.7259 160 0.37 90
IV.IVPL.HHE. 2014-08-22T16:30:11.33 0.1 undecidable manual S 270 42.5241 159 0.35 90
IV.NOV.HHZ. 2014-08-22T16:30:11.88 0.1 undecidable manual S 217 48.7179 156 0.39 88
MN.CEL.HHZ. 2014-08-22T16:30:10.90 0.1 undecidable manual S 110 39.2274 160 0.17 95
IV.MSCL.HHZ. 2014-08-22T16:30:10.30 0.1 undecidable manual S 120 32.3454 164 0.04 99
IV.MPNC.HHE. 2014-08-22T16:30:10.00 0.1 undecidable manual S 201 27.8499 166 -0.01 100
IV.JOPP.HHZ. 2014-08-22T16:30:10.80 0.1 undecidable manual S 55 44.0226 158 -0.29 91
IV.MSRU.HHE. 2014-08-22T16:30:09.04 0.1 undecidable manual S 165 13.3755 173 -0.39 94
IV.MILZ.HHZ. 2014-08-22T16:30:09.39 0.1 undecidable manual S 240 23.9538 168 -0.43 92
IV.CET2.HHE. 2014-08-22T16:30:05.56 0.1 undecidable manual P 18 134.0658 128 0.36 75
IV.CAR1.HHE. 2014-08-22T16:30:03.56 0.1 positive manual P 33 116.1948 132 0.08 83
IV.PLAC.HHE. 2014-08-22T16:30:01.32 0.1 positive manual P 84 84.5487 142 0.54 80
IV.MPAZ.HHZ. 2014-08-22T16:29:59.60 0.1 undecidable manual P 135 66.5778 148 0.09 91
IV.SOI.EHZ. 2014-08-22T16:29:59.29 0.1 undecidable manual P 124 61.2942 151 0.12 92
MN.CEL.HHZ. 2014-08-22T16:29:58.11 0.1 undecidable manual P 110 39.2274 160 0.09 96
IV.MCSR.HHZ. 2014-08-22T16:29:58.25 0.1 positive manual P 211 40.7259 160 0.16 94
IV.JOPP.HHZ. 2014-08-22T16:29:58.18 0.1 positive manual P 55 44.0226 158 -0.05 96
IV.NOV.HHZ. 2014-08-22T16:29:58.79 0.1 undecidable manual P 217 48.7179 156 0.33 90
IV.IVPL.HHE. 2014-08-22T16:29:57.92 0.1 positive manual P 270 42.5241 159 -0.25 93
IV.MSCL.HHZ. 2014-08-22T16:29:57.56 0.1 positive manual P 120 32.3454 164 -0.2 95
IV.MPNC.HHE. 2014-08-22T16:29:57.09 0.1 undecidable manual P 201 27.8499 166 -0.52 90
IV.MSRU.HHE. 2014-08-22T16:29:56.80 0.1 positive manual P 165 13.3755 173 -0.47 93
IV.MILZ.HHZ. 2014-08-22T16:29:56.84 0.1 positive manual P 240 23.9538 168 -0.66 86
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MILZ.HHE. ML:2.4 0.00016849999999999998 0.24 AML other m 2014-08-22T16:30:10.52
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
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